Deep Creek Site 4 Decom Dam is an earth dam located in McCulloch County, Texas, built in 1953. It carries a Low hazard potential classification.
Dam profile
NID height · 41 ft41 ft tall and 925 ft long, taller than 87% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Deep Creek Site 4 Decom Dam
The primary purpose of Deep Creek Site 4 Decom Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Dennis Johnson (private). It impounds the Tr-deep Creek.
The dam stands 41 feet tall and stretches 925 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 644 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1953, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 03/19/2007. That was over 19 years ago.
At 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Texas |
| County | McCulloch |
| River/Stream | Tr-deep Creek |
| Coordinates | 31.30573, -99.13161 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 36 ft |
| Dam Length | 925 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 644 acre-ft |
| Max Storage | 644 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Dennis Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/19/2007 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01681 |
| Federal ID | TX01681 |
| More Info | State Dam Safety Program |